限制器特性 的英文怎麼說

中文拼音 [xiànzhìqìtèxìng]
限制器特性 英文
limiter characteristic
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  2. Company was set up in 1997, as a high - tech enterprise with ability of reserch, development and manufacture, it was set up for limited company in 2006, and has passed iso9001 : 2000 quality adminis - tration system certification. company have professional works, excellent process equipments, perfect checkout apparatus, and produces all sorts of premanent magnetic chuch, electro magnetic chuch, rectiffication ` s manipulator and magnetic removal with adwantages of advanced designment, long longevity, big suction and small remanence. the quality has passed the certification of china quality test association and china quality indemnify center

    公司成立於1997年，是一家集科研開發生產為一體的高科企業， 2006年組建為有限公司，並通過iso9001 : 2000質量體系認證，公司擁有專業的技術人員，精良的加工設備，完善的檢測儀器，所生產的各種永磁吸盤、電磁吸盤、整流控制器、退磁器等磁性工具，具有設計先進、壽命長、吸力大、剩磁小等特點，質量通過中國質量檢驗協會，中國質量保障中心認證。
  3. This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection

    本文對四邊形和方向圓特性阻抗繼電器躲線路最大潮流的能力進行了詳細分析，提出了距離保護負荷限制電阻的整定原則和整定方法。
  4. In order to achieve a computer code with a maximum degree of vectorization, the numerical flux function must be written uniformly with sign function. to get higher order accuracy, the muscl interpolation functions are applied for van leer and roe schemes

    Vanleer和roe格式摘要（ abstraet ）均採用muscl插值使格式具有高階精度，並採用連續可微的vanalbada通量限制器，使格式具有良好的穩定性和收斂特性。
  5. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現，首先分析和比較了各種快速傅立葉變換演算法的特性和規律，提出基4蝶算的演算法具有最好的性價比，討論了順序、級聯、并行和陣列的處理結構，闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線，驗證並測試fft處理器，分析了定點fft處理過程由於有限字長效應所產生的量化誤差的范圍及防溢出控制辦法，提出了可擴展平臺模式。
  6. In the body of the dissertation, different performance indexes are defined and analyzed based on the analysis of different types of fwl errors in digital controller, and different fwl digital controller design and realization problems are considered and solved. the major contributions of this dissertation are as follows : considering the fwl errors of controller coefficients, define and analyze the closed - loop transfer function sensitivity measure with respect to the controller coefficients, obtain the optimal controller realizations via minimizing the transfer function sensitivity measure

    本論文首先對數字系統，特別是數字控制器設計與實現中的有限字長問題和非脆弱控制器設計的背景、歷史發展情況等作了簡單介紹，然後通過分析數字控制器中不同來源的有限字長誤差，定義不同的性能指標，較系統地分析並討論不同的有限字長數字控制器設計和實現問題。
  7. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路，以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  8. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。
  9. The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

    本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。
  10. In high - power solid - state lasers, self - focusing is the major factor for degradation of laser beam and limits the maximum laser power available. as stated in lowrence livermore national laboratory ( llnl ) reports, self - focusing, especially small - scale self - focusing, has always been a significant problem in the total design, engineering development, and safe operation of fusion lasers

    在用於慣性約束核聚變（ icf ）的高功率固體激光驅動器中，自聚焦是使光束質量變壞和限制輸出功率的主要因素，正如美國勞侖斯?利弗莫爾國家實驗室（ llnl ）的報告所述，自聚焦，特別是小尺度自聚焦，是聚變激光器總體設計、工程研製和安全運行的重要問題。
  11. The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis

    本文首先闡述了開關電源的工作原理，詳細介紹了本電路的整體工作原理，最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理，並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬，給出了合理的電路數據，各子模塊電路的電特性參數均達到或優于設計所需指標。
  12. As a typical model of the nonholonomic system, the nonholonomic characteristic of wheeled mobile robot arises from the wheel which is rolling without slipping

    輪式移動機器人是典型的非完整系統，其非完整特性體現在車輪本身的純滾動而無滑動限制上。
  13. Therefore, the method of lines is applied to characterize the influence of metallization thickness and conductivity loss on the velocity match and impedance match

    為此，論文著重分析了共面電極的厚度與有限電導率對行波調制器的微波特性的影響。
  14. The results show that if n - dbr is neglected, the theoretical calculations are in good agreement with the references. but our results also indicate that n - dbr has very important influences on the properties of vcsels and if it is not considered, there must be some errors. and double oxide - confining regions offer a method of decreasing threshold current and controlling high order modes

    結果表明，當不考慮n - dbr的影響時，我們的理論計算結果與文獻報道相符；但通過計算可知n - dbr對vcsel特性有較大影響，如果不考慮會帶來誤差；同時雙氧化限制層為vcsel器件提供了一種降低閾值，抑制高階橫模的方法。
  15. The particularity of large - section rib waveguide with large refractive index difference in soi results in some special characteristics distinguished from other waveguides, which need elaborate explanation in theory. the large bent radius of the rib waveguide hinders the device performances from improving further, and confines the device to small channel number and simple functions

    Soi材料上大折射率差脊形波導結構的特殊性帶來了一些特殊的性質，必須從理論上深入地探討；脊形波導大的彎曲半徑在某種程度上制約了soi波導器件性能的提高，使得多通道、多功能器件的發展受到限制。
  16. In order to satisfy the customer ’ s more strict command to the inertia brake, changsha sanzhan inertia brake co., ltd. and hunan university allied to develop a set of equipment of inertia brake test rigs, which can test and research the property of starting torque, braking torque, vibration of axis and so on to all kinds of models and specification of inertia brake to improve the property and quality of product

    為了滿足用戶對慣性制動器產品提出的更高要求，長沙三占慣性制動有限公司和湖南大學合作開發一套慣性制動器試驗臺裝置，對各種型號及規格的慣性制動器的起動力矩、制動力矩、軸向振動等特性進行測試和研究，以改進產品性能和提高產品質量。
  17. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  18. The inductor, which is one of the most important magnetic components, is not only used in lc filter and choke but also in rf communication circuit. the thin film inductor can be integrated with semiconductor components, so far it has not been widely used in these fields, the reason is the limited of thin - film material and substrate, process technology and design technology. designing and fabricating thin film inductor is the key point of this paper

    而作為磁性元器件中最重要的電感，它不僅在lc濾波電路、扼流圈中必不可少，在現代射頻通信電路中也被廣泛使用，特別是能與硅器件一起集成的薄膜電感器，在國際上備受重視，而國內長期以來，由於受薄膜磁芯材料、繞組材料、基片材料，包括製作技術及最為關鍵的設計技術限制，尚未研發出能夠用於這一應用領域的高、中、低頻薄膜電感器。
  19. Analysis the sound quality effect by the frequency response of speakers. and put forward compensate the frequency response of speakers using equalizer. compressor, expander, limiter and noise gate are important for the audio system, this paper also introduce them, and describe how to use them

    然後簡單介紹了音頻系統和組成，敘述了揚聲器的頻率響應特性及其對音質的影響，提出使用均衡器補償揚聲器頻響特性的方法；動態范圍壓縮器、擴展器、限制器在音頻系統中也起著重要的作用，本文也對其做出了介紹，並闡述了它們的用途和使用方法。
  20. The slide mechanism mainly by pushing for and the hydraulic power system with the necessary supporting wireless sensor detection and computer control system and network components, equipment is small in size, light forces, carrying capacity, a high degree of automation, convenient operation flexibility, security and reliability, the slip lifting the weight of components, and standard features such as unlimited distance

    連續頂推機器人主要由頂推器、液壓動力系統以及與之配套的傳感檢測和計算機無線和網路控制系統等組成，具有設備體積小、自重輕、承載能力大，自動化程度高，操作方便靈活，安全可靠性好，被滑移、頂升構件的重量、尺度和距離不受限制等特點。
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